* {
    margin: 0;
    padding: 0;
}

body {
    padding: 10px;
}

div {
    border: 3px solid seagreen;
    width: 700px;
}

h1 {
    text-align: center;
    color: yellowgreen;
}

ul {
    margin-top: 50px;
    width: 500px;
    height: 200px;
    border: seagreen 3px dashed;
    margin: 30px auto;
    list-style: none;
}

li {
    width: 400px;
    padding: 5px;
    background-color: #eee;
    font-size: 14px;
    margin: 15px auto;
    display: none;
}

li a {
    float: right;
}

textarea {
    width: 400px;
    height: 50px;
    border: 3px solid seagreen;
    outline: none;
    resize: none;
    display: block;
    margin: 20px auto 5px;
}

.sub {
    display: block;
    background-color: seagreen;
    color: seashell;
    width: 200px;
    height: 30px;
    margin: 10px auto;
}

.remove {
    float: right;
}